From a32a23c49e8e3b5abef6f01fe28d54385da3db3f Mon Sep 17 00:00:00 2001
From: Eamonn Rea <eamonnrea@gmail.com>
Date: Fri, 28 Jun 2024 01:38:23 +0100
Subject: [PATCH 1/3] appcache: add new magic for Steam Client Beta (June 2024)

---
 steam/utils/appcache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/steam/utils/appcache.py b/steam/utils/appcache.py
index 8760bd21..87be1550 100644
--- a/steam/utils/appcache.py
+++ b/steam/utils/appcache.py
@@ -69,7 +69,7 @@ def parse_appinfo(fp):
 #   uint32   - EOF: 0
 
     magic = fp.read(4)
-    if magic not in (b"'DV\x07", b"(DV\x07"):
+    if magic not in (b"'DV\x07", b"(DV\x07", b")DV\x07"):
         raise SyntaxError("Invalid magic, got %s" % repr(magic))
 
     universe = uint32.unpack(fp.read(4))[0]

From 4863486da72f23b18971d837ae99cf47034f3b9b Mon Sep 17 00:00:00 2001
From: Eamonn Rea <eamonnrea@gmail.com>
Date: Fri, 28 Jun 2024 01:47:29 +0100
Subject: [PATCH 2/3] appcache: update comment examples

---
 steam/utils/appcache.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/steam/utils/appcache.py b/steam/utils/appcache.py
index 87be1550..c32417f0 100644
--- a/steam/utils/appcache.py
+++ b/steam/utils/appcache.py
@@ -7,7 +7,7 @@
 
     >>> header, apps = parse_appinfo(open('/d/Steam/appcache/appinfo.vdf', 'rb'))
     >>> header
-    {'magic': b"(DV\\x07", 'universe': 1}
+    {'magic': b")DV\\x07", 'universe': 1}
     >>> next(apps)
     {'appid': 5,
      'size': 79,
@@ -53,7 +53,7 @@ def parse_appinfo(fp):
     :return: (header, apps iterator)
     """
 # format:
-#   uint32   - MAGIC: "'DV\x07" or "(DV\x07"
+#   uint32   - MAGIC: "'DV\x07" or "(DV\x07" or b")DV\x07"
 #   uint32   - UNIVERSE: 1
 #   ---- repeated app sections ----
 #   uint32   - AppID

From 2ea9057e9b17d06db7ce1252119d17515b571711 Mon Sep 17 00:00:00 2001
From: Eamonn Rea <eamonnrea@gmail.com>
Date: Fri, 28 Jun 2024 02:43:05 +0100
Subject: [PATCH 3/3] appcache: progress on reading past string table

---
 steam/utils/appcache.py | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/steam/utils/appcache.py b/steam/utils/appcache.py
index c32417f0..84519ed3 100644
--- a/steam/utils/appcache.py
+++ b/steam/utils/appcache.py
@@ -43,6 +43,7 @@
 
 uint32 = struct.Struct('<I')
 uint64 = struct.Struct('<Q')
+int64 = struct.Struct('<q')
 
 def parse_appinfo(fp):
     """Parse appinfo.vdf from the Steam appcache folder
@@ -74,6 +75,18 @@ def parse_appinfo(fp):
 
     universe = uint32.unpack(fp.read(4))[0]
 
+    if magic == b')DV\x07':
+        # Read until end of null-terminated table string
+        string_table_offset = struct.unpack('q', fp.read(8))[0]
+        offset = fp.tell()
+        fp.seek(string_table_offset)
+        uint32.unpack(fp.read(4))[0]
+
+        c = b''
+        while c != b'\x00' or not c:
+            c = fp.read(1)
+        fp.seek(offset)
+
     def apps_iter():
         while True:
             appid = uint32.unpack(fp.read(4))[0]
@@ -91,10 +104,11 @@ def apps_iter():
                 'change_number': uint32.unpack(fp.read(4))[0],
             }
 
-            if magic == b"(DV\x07":
+            if magic != b"'DV\x07":
                 app['data_sha1'] = fp.read(20)
 
-            app['data'] =  binary_load(fp)
+            # TODO reading data doesn't work
+            app['data'] = binary_load(fp)
 
             yield app